Prison Population Mr. Evans 15. To ask the Secretary of State for the Home Department what estimate he has made of the likely prison population in 12 months’ time. Mr. Sutcliffe The projected prison population of July 2006 uses three long-term scenarios based on assumptions about sentencing trends and legislation; high medium and low. November 2007 projections for the high, medium and low scenarios are 82,430, 81,020 and 79,600 respectively.